We dived into the river to cool off.

我们一头跳进河里，凉快一下。

《牛津词典》

We've got to give him some time to cool off.

我们必须给他时间让他冷静下来。

《柯林斯英汉双解大词典》

Maybe he's trying to cool off out there in the rain.

可能他是想在外面的雨中凉快一下。

《柯林斯英汉双解大词典》

You might want to touch the water to cool off.

VOA: special.2009.08.19

On Sunday, her employers are going to Italy - to cool off.

VOA: standard.2010.07.23

In one tragic case, six children at a summer camp drowned because camp counselors were following a Russian summer tradition of trying to cool off by drinking alcohol.

VOA: standard.2010.07.23

If you don't want to cool off to the point of freezing, think Alaska.

CNN: ASIANOW - TIME Asia | Travel Watch | Open the Door to Cool Summer a Escape

The murder charge was dropped and he was sent to Switzerland to cool off.

ECONOMIST: Uday and Qusay Saddam Hussein

The drop-off in tech-stock valuations alone is enough to cool off the chase for assets in Silicon Valley.

FORBES: Paradigm shift